Mathematics, 24.07.2020 21:01 maleah12x
A consumer advocate group selects a random sample of 20 ink cartridges and finds
that the average number of printouts per ink cartridge is 460 with a standard
deviation of 52. Find the 98% confidence interval for the population mean of
printouts per ink cartridge. You may assume that the number of printouts per ink
cartridge is approximately normally distributed.
Enter the lower and upper bounds for the interval in the following boxes,
respectively. Round your answers to nearest whole number.
Answers: 3
Mathematics, 21.06.2019 17:20
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
Mathematics, 21.06.2019 19:30
Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?
Answers: 1
Mathematics, 21.06.2019 23:00
Find the distance between c and d on the number line c=3 and d=11
Answers: 1
Mathematics, 22.06.2019 01:00
33 ! use the following data to determine the type of function (linear, quadratic, exponential) that best fits the data set. (1, 2) (5, 7) (9, 8) (3, 4) (4, 5) (2, 3)
Answers: 1
A consumer advocate group selects a random sample of 20 ink cartridges and finds
that the average n...
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